fbpx
Skip to content
789 Next Generation

789 Next Generation

Move More With Less Fuel

Get a quote

More Comfort – More Performance – More Versatility

  • Faster & More Productive

    Over 5% faster on grade and 10% more payload than competitive trucks

  • 12% Longer Engine Life

    Thanks to cylinder head and crankshaft improvements

  • Up to 9% Fuel Reduction with Tier 2

    Plus zero fuel burn while retarding and lower overall fluid and fuel consumption

Engine

Bore 6.7 in
Displacement 4766 in³
Emissions Rating Fuel Optimized
Engine Model Cat® 3516E
Gross Power - SAE J1995:2014 2100 hp
Net Power - SAE J1349:2011 1975 hp
Note (1) Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator.
Note (2) Optional 1417 kW / 1,900 HP engine rating.
Note (3) U.S. EPA Tier 4 Final / EU Stage V optional engine available for applicable markets.
Rated Speed 1650 r/min
Stroke 8.5 in

Weights - Approximate

Body Weight 60406 lb
Nominal Rated Payload 213 ton (US)
Note (1) Consult your tire manufacturer for maximum tire load
Note (2) Chassis weight with full fuel and fluids, standard and mandatory attachments, hoist, body mounting group, rims, and tires.
Rated Gross Machine Weight 715000 lb

Weight Distributions - Approximate

Front Axle - Empty 50%
Front Axle - Loaded 33%
Rear Axle - Empty 50%
Rear Axle - Loaded 67%

Final Drives

Differential Ratio 2.35:1
Planetary Ratio 10.83:1
Total Reduction Ratio 25.46:1
Type Double reduction, planetary with full floating axles

Transmission

Forward - 1 7.8 mile/h
Forward - 2 10.6 mile/h
Forward - 3 14.4 mile/h
Forward - 4 19.4 mile/h
Forward - 5 26.3 mile/h
Forward - 6 35.5 mile/h
Reverse 7.3 mile/h
Top Speed - Loaded 35.5 mile/h

Tires

Note (1) Quick Change Rims optional
Note (2) Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities.
Optional Tire 42/90 R57
Optional Tires 40 R57
Rims 29” x 57” Rims
Standard Tires 37 R57

Braking System

Front Wet Disc Brake Surface Area 12662 in²
Parking Brake Four-corner, Multi-disc, Spring applied, Hydraulically Released
Rear - Wet Disc Brake Surface Area 20861 in²
Service Brakes Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
Standards (Service and Secondary) ISO 3450:2011

Capacity - HP Body - 100% Fill Factor

Heaped (SAE 2:1)* 143 m3(187 yd2)
Note (1) Consult your local Cat dealer for body recommendations
Struck 77 m3(101 yd3)

Body Hoists

Body Lower Time - Float 16 s
Body Raise Time - High Idle 14 s
Pump Flow - High Idle 106.5 gal/min
Relief Valve Setting - Raise 2749 psi
Type Twin, two-stage hydraulic cylinders with snubbing valve.

Suspension

Effective Cylinder Stroke - Front 4.12 in
Effective Cylinder Stroke - Rear 3.67 in
Rear axle - Oscillation +/- 5 degrees
Type Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top and bottom double shear clevis attachments

Service Refill Capacities

Brake Hoist System 169 gal (US)
Brake Hoist System - Includes Tank 347 gal (US)
Cooling System 180 gal (US)
Crankcase 77 gal (US)
Diesel Exhaust Fluid Tank 62 gal (US)
Differentials 161 gal (US)
Front Wheels - Each 5.8 gal (US)
Fuel Tank 1000 gal (US)
Fuel Tank (Tier 4) 55 gal (US)
Fuel Tank - Standard 550 gal (US)
Steering System 42 gal (US)
Steering System - Includes Tank 46 gal (US)
Torque Converter - Transmission System - Including Sump 55 gal (US)

Cab

Air Conditioning (HFC - 134A refrigerant) 24,500 Btu/hr
FOPS Standards FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II for Operator and ISO 13459:2012 Level II for Trainer.
Heater / Defroster 33300 Btu/h
ROPS Standards (1) The operator sound pressure level, 77 dB(A) with direct drive and 75 dB(A) with optional clutch, tested to ISO 6396:2008.
ROPS Standards (2) ROPS (Rollover Protective Structure) meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer.

Steering

Steer Angle 36.07 °
Steering Standards ISO 5010:2019

Dimensions (Approximate)

Centerline Front Tire Width 5410 mm
Centerline of Rear Dual Tire Width 4695 mm
Dump Clearance 1585 mm
Engine Guard Clearance 1290 mm
Front Canopy Height 6739 mm
Ground Clearance 1304 mm
Height - Top of ROPS 5550 mm
Inside Body Depth - Maximum 3075 mm
Inside Body Length 8730 mm
Inside Body Width 6920 mm
Loading Height - Empty 6147 mm
Operating Width 7822 mm
Outside Body Width 7123 mm
Overall Body Length 12945 mm
Overall Canopy Width 7769 mm
Overall Height - Body Raised 11534 mm
Overall Length 12970 mm
Overall Tire Width 7120 mm
Rear Axle - Clearance 1263 mm
Rear Axle - Tail 3856 mm
Rear Sidewall Height 1010 mm
Wheel Base 57000 mm

Download resources

Brochure
Technical Specifications
Key Features Brochure
789 Poster

Get info about our financing options

Get The best solution for your job site needs

Let us help.

Name(Required)
Untitled

Call us today: 1-877-778-2230
or  Send us a message